Home / 5,601.20-7,730-3,709.48

Finding the Fourth Proportional to 5,601.20, 7,730 and 3,709.48

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Solution

The fourth proportional to 5,601.20, 7,730 and 3,709.48 is: 5,119.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,601.20 : 7,730 = 3,709.48 : x
  2. Step 2: Convert to fraction form
    5,601.20/7,730 = 3,709.48/x
  3. Step 3: Cross multiply
    5,601.20x = 7,730 × 3,709.48
  4. Step 4: Simplify right side
    5,601.20x = 28,674,280.40
  5. Step 5: Solve for x
    x = 28,674,280.40/5,601.20
  6. Step 6: Final answer
    x = 5,119.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.